00001 // Copyright (C) 2006-2007 Benedikt Böhm <hollow@gentoo.org> 00002 // 00003 // This program is free software; you can redistribute it and/or 00004 // modify it under the terms of the GNU General Public License 00005 // as published by the Free Software Foundation; either version 2 00006 // of the License, or (at your option) any later version. 00007 // 00008 // This program is distributed in the hope that it will be useful, 00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00011 // GNU General Public License for more details. 00012 // 00013 // You should have received a copy of the GNU General Public License 00014 // along with this program; if not, write to the Free Software 00015 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA 00016 00017 #include <unistd.h> 00018 00019 #include "mem.h" 00020 #include "str.h" 00021 00022 int str_readfile(int fd, char **str) 00023 { 00024 int chunks = 1, len = 0; 00025 char *buf = mem_alloc(chunks * CHUNKSIZE + 1); 00026 00027 for (;;) { 00028 int bytes_read = read(fd, buf+len, CHUNKSIZE); 00029 00030 if (bytes_read == -1) { 00031 mem_free(buf); 00032 return -1; 00033 } 00034 00035 len += bytes_read; 00036 buf[len] = '\0'; 00037 00038 if (bytes_read == 0) 00039 break; 00040 00041 if (bytes_read == CHUNKSIZE) { 00042 chunks++; 00043 buf = mem_realloc(buf, chunks * CHUNKSIZE + 1); 00044 } 00045 } 00046 00047 *str = buf; 00048 return len; 00049 }